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Onsemi NCL30125 | Demoboard NCL30125
Fixed Frequency Current-Mode PWM Controller for Two Switch Forward topology
Overview
| Topology | Forward Converter |
| Input voltage | 176-264 V |
| Output 1 | 5 V / 60 A |
Description
The NCL30125 is a fixed frequency current-mode controller with integrated high voltage gate drivers. The HV pin allow a quick start-up with dynamic self supply (DSS) features. The skip cycle mode insures good efficiency in light load condition. And enable flexible & robust design with controllable soft-start time, switching frequency and various protections.
Features
- Internal 700 V high side gate driver
- Skip cycle mode
- Dynamic Self Supply (DSS)
- Internal 700 V HV startup current source
- Frequency Jittering
- 35 V wide VCC operation
- Adjustable operating frequency & soft start duration
- Optional features (Skip threshold, BO level, OCP timer & etc.)
- Auto-recovery or Latch option
- Brown-out, OCP(SCP/OLP), VCC OVP, TSD
- Dedicated Fault pin for OVP or OTP detection
Typical applications
- Lighting Advertisement power board
- Industiral lighting
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | ISAT(A) | fres(MHz) | Q(%) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Ø D(mm) | Size | ISAT,30%(A) | Core Material | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTX2 Film Capacitors, Across the mains, 470 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance470 nF | Safety ClassX2 | Rate of Voltage Rise280 V/µs | Dissipation Factor0.1 % | Insulation Resistance21.28 GΩ | Pitch12.5 mm | PackagingBulk | – | – | – | – | – | – | – | – | SizePitch 12.5 mm | – | – | – | – | – | Rated Voltage275 V (AC) | – | – | Length15 mm | Width10 mm | Height16 mm | MountBoxed THT | ||||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | SizeXL | – | – | Rated Current6 A | Inductance5 mH | DC Resistance45 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length30 mm | Width21 mm | Height35 mm | MountTHT | ||||
 | WE-LQ SMT Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQ SMT Inductor | – | – | – | – | – | – | – | Saturation Current0.15 A | Self Resonant Frequency2 MHz | Q-Factor50 % | – | – | – | – | – | Size1812 | – | – | Rated Current0.085 A | Inductance0.82 mH | DC Resistance20000 mΩ | – | – | – | Length4.5 mm | Width3.2 mm | Height2.6 mm | MountSMT | ||||
| WE-LQ SMT Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQ SMT Inductor | – | – | – | – | – | – | – | Saturation Current0.078 A | Self Resonant Frequency1 MHz | Q-Factor30 % | – | – | – | – | – | Size1812 | – | – | Rated Current0.04 A | Inductance2.2 mH | DC Resistance47000 mΩ | – | – | – | Length4.5 mm | Width3.2 mm | Height2.6 mm | MountSMT | ||||
 | WCAP-ATG8 Aluminum Electrolytic Capacitors, –, 47 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG8 Aluminum Electrolytic Capacitors | Capacitance47 µF | – | – | – | – | Pitch2.5 mm | PackagingAmmopack | – | – | – | Endurance 2000 | Ripple Current165 mA | Leakage Current23.5 µA | Dissipation Factor10 % | Diameter6.3 mm | – | – | – | – | – | – | Rated Voltage50 V (AC) | – | – | Length11 mm | – | – | – | ||||
 | WCAP-ATG5 Aluminum Electrolytic Capacitors, –, 150 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | Capacitance150 µF | – | – | – | – | Pitch7.5 mm | PackagingAmmopack | – | – | – | Endurance 2000 | Ripple Current610 mA | Leakage Current1800 µA | Dissipation Factor15 % | Diameter18 mm | – | – | – | – | – | – | Rated Voltage400 V (AC) | – | – | Length35.5 mm | – | – | – | ||||
 | WCAP-ATLI Aluminum Electrolytic Capacitors, –, 22 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLI Aluminum Electrolytic Capacitors | Capacitance22 µF | – | – | – | – | Pitch2 mm | PackagingAmmopack | – | – | – | Endurance 2000 | Ripple Current220 mA | Leakage Current11 µA | Dissipation Factor8 % | Diameter5 mm | – | – | – | – | – | – | Rated Voltage50 V (AC) | – | – | Length11 mm | – | – | – | ||||
 | WCAP-PTG5 Aluminum Polymer Capacitors, –, 2000 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-PTG5 Aluminum Polymer Capacitors | Capacitance2000 µF | – | – | – | – | Pitch5 mm | PackagingAmmopack | – | – | – | Endurance 2000 | Ripple Current5900 mA | Leakage Current1260 µA | Dissipation Factor10 % | Diameter10 mm | – | – | – | – | – | – | Rated Voltage6.3 V (AC) | – | – | Length12.5 mm | – | – | MountRadial THT | ||||
 | WE-HCFT THT High Current Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCFT THT High Current Inductor | – | – | – | – | – | – | – | Saturation Current120 A | Self Resonant Frequency30 MHz | – | – | – | – | – | – | Size3521 | Saturation Current @ 30%120 A | Core MaterialMnZn | Rated Current75 A | Inductance0.0022 mH | DC Resistance0.4 mΩ | – | – | – | Length21.5 mm | Width36 mm | Height35 mm | MountTHT | ||||
750317590 | Forward Transformer, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Forward Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |